Writing Video Drivers

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#159

From: Chris Double
Date: Wed, 04 Nov 1992 12:18

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Hi.

With all the comments going on about the lack of availability of
Video Drivers (32-bit in particular), I was curious about how
these drivers are written.

Has anyone got any documentation on writing video drivers or sample
code? Is it something that IBM makes freely available (it would make
sense)?

From the looks of the drivers they appear to be normal dynamic link
libraries. I take it they require special functions and use calls to
the OS/2 Vga drivers in config.sys. Is this correct? Knowing the
functions that are required and the programming specs for the
particular SVGA card it should be possible to create a video driver
is that correct?

If anyone has any example driver code, documentation for the above
or knows any references on the subject I would be interested in
having a look. If i find anything out I'll summarize to the net.

Thanks,

Chris Double.
chris@actrix.gen.nz

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Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!wupost!waikato.ac.nz!comp.vuw.ac.nz!actrix!chris
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Subject: Writing Video Drivers
Message-ID: <1992Nov4.121856.29225@actrix.gen.nz>
From: chris@actrix.gen.nz (Chris Double)
Date: Wed, 4 Nov 1992 12:18:56 GMT
Organization: Actrix Networks
Lines: 25